58 lines
2.9 KiB
Python
58 lines
2.9 KiB
Python
#***************************************************************************
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#* *
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#* Copyright (c) 2011, 2012 *
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#* Jose Luis Cercos Pita <jlcercos@gmail.com> *
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#* *
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#* This program is free software; you can redistribute it and/or modify *
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#* it under the terms of the GNU Lesser General Public License (LGPL) *
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#* as published by the Free Software Foundation; either version 2 of *
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#* the License, or (at your option) any later version. *
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#* for detail see the LICENCE text file. *
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#* *
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#* This program is distributed in the hope that it will be useful, *
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#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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#* GNU Library General Public License for more details. *
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#* *
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#* You should have received a copy of the GNU Library General Public *
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#* License along with this program; if not, write to the Free Software *
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#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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#* USA *
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#* *
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#***************************************************************************
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def isAprox(a,b,tol=0.000001):
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"""returns if a value is into (b-tol,b+tol)
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@param a Value to compare.
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@param b Center of valid interval
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@param tol Radius of valid interval
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@return True if a is into (b-tol,b+tol), False otherwise
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"""
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if (a < b+abs(tol)) and (a > b-abs(tol)):
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return True
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return False
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def isSamePoint(a,b,tol=0.000001):
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"""returns if two points are the same with a provided tolerance
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@param a Point to compare.
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@param b Reference point.
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@param tol Radius of valid interval
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@return True if twice point are the same, False otherwise
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@note FreeCAD::Base::Vector types must be provided
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"""
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if isAprox(a.x,b.x,tol) and isAprox(a.y,b.y,tol) and isAprox(a.z,b.z,tol):
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return True
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return False
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def isSameVertex(a,b,tol=0.0001):
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"""returns if two points are the same with a provided tolerance
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@param a Point to compare.
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@param b Reference point.
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@param tol Radius of valid interval
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@return True if twice point are the same, False otherwise
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@note FreeCAD::Part::Vertex types must be provided
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"""
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if isAprox(a.X,b.X,tol) and isAprox(a.Y,b.Y,tol) and isAprox(a.Z,b.Z,tol):
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return True
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return False
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